Public bug reported:
Ubuntu 26.04 Desktop PXE boot using the ISO-in-RAM method no longer
works on a Framework 13 laptop with 16 GB RAM because the Desktop live
image is too large.
The same environment can boot when the ISO contents are served over NFS
instead of loading the full ISO into RAM. Modern Ubuntu documentation
appears to cover Server PXE/netboot much better than Desktop
PXE/netboot, and should document supported Desktop PXE methods, expected
RAM requirements, and best practices such as using NFS/extracted ISO
contents for large Desktop images.
ramdisksize:
I could not get the ramdisk size parameter to work with Ubuntu Desktop,
however, I was able to use this boot parameter to successfully pxe boot the iso
image, however I do not know if this is best practice: rootfstype=ramfs
These bugs were all introduced in my migration from Ubuntu 24.04 to
26.04 and we should get the documentation up to date for the new version
since the workarounds are difficult to figure out.
If this isn't the correct package for these issues, please point me at
the correct package and I will will fix my bug reports.
** Affects: casper (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2153500
Title:
Ubuntu Desktop PXE ISO boot fails on 16 GB system due to live image
size
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